import axios from "axios";
import { Notification, MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";

// create an axios instance
const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    timeout: 20000 // request timeout
});

// request interceptor
service.interceptors.request.use(
    config => {
        // do something before request is sent

        if (store.getters.token) {
            // let each request carry token
            // ['X-Token'] is a custom headers key
            // please modify it according to the actual situation
            config.headers["Authorization"] = "Bearer " + getToken();
        }
        // console.log(config);
        return config;
    },
    error => {
        // do something with request error
        console.log(error); // for debug
        return Promise.reject(error);
    }
);

// response interceptor
service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
        const code = response.data.code;
        if (code === 401) {
            store.dispatch("user/resetToken");
            if (location.href.indexOf("login") !== -1) {
                location.reload(); // 为了重新实例化vue-router对象 避免bug
            } else {
                MessageBox.confirm(
                    "登录状态已过期，您可以继续留在该页面，或者重新登录",
                    "系统提示",
                    {
                        confirmButtonText: "重新登录",
                        cancelButtonText: "取消",
                        type: "warning"
                    }
                ).then(() => {
                    location.reload(); // 为了重新实例化vue-router对象 避免bug
                });
            }
        } else if (code === 6401) {
            store.dispatch("user/resetToken");
            MessageBox.confirm(
                "登录状态已过期，您可以继续留在该页面，或者重新登录",
                "系统提示",
                {
                    confirmButtonText: "重新登录",
                    cancelButtonText: "取消",
                    type: "warning"
                }
            ).then(() => {
                location.reload(); // 为了重新实例化vue-router对象 避免bug
            });
            return false;
        } else if (code === 400 || code === 403) {
            Message({
                message: response.data.msg,
                type: "error",
                duration: 5 * 1000
            });
        } else if (code !== 200) {
            Notification.error({
                title: response.data.msg
            });
            return Promise.reject("error");
        } else {
            return response.data;
        }
    },
    error => {
        if (error.message === "Network Error") {
            Message({
                message: "服务器连接异常，请检查服务器！",
                type: "error",
                duration: 5 * 1000
            });
            return;
        }
        console.log("err" + error); // for debug

        Message({
            message: error.message,
            type: "error",
            duration: 5 * 1000
        });

        return Promise.reject(error);
    }
);

export default service;
